Home / 79,036.22-118,529.64-26,433.38

Finding the Fourth Proportional to 79,036.22, 118,529.64 and 26,433.38

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Solution

The fourth proportional to 79,036.22, 118,529.64 and 26,433.38 is: 39,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.22 : 118,529.64 = 26,433.38 : x
  2. Step 2: Convert to fraction form
    79,036.22/118,529.64 = 26,433.38/x
  3. Step 3: Cross multiply
    79,036.22x = 118,529.64 × 26,433.38
  4. Step 4: Simplify right side
    79,036.22x = 3,133,139,015.38
  5. Step 5: Solve for x
    x = 3,133,139,015.38/79,036.22
  6. Step 6: Final answer
    x = 39,641.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.